drm/amdgpu: handle runtime pm correctly in amdgpu_driver_open_kms

Need to fix the error paths.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-08-27 12:30:25 -04:00
commit dc08267ac4